Home / 492,013.80-738,366.30-211,732.20

Finding the Fourth Proportional to 492,013.80, 738,366.30 and 211,732.20

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Solution

The fourth proportional to 492,013.80, 738,366.30 and 211,732.20 is: 317,747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,013.80 : 738,366.30 = 211,732.20 : x
  2. Step 2: Convert to fraction form
    492,013.80/738,366.30 = 211,732.20/x
  3. Step 3: Cross multiply
    492,013.80x = 738,366.30 × 211,732.20
  4. Step 4: Simplify right side
    492,013.80x = 156,335,921,104.86
  5. Step 5: Solve for x
    x = 156,335,921,104.86/492,013.80
  6. Step 6: Final answer
    x = 317,747.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.